Monday, 20 July 2015

101 maths shortcuts



BY ANKIT HATRIA
Enjoy cool math
download the pdf file to get 101 maths shortcuts...


https://drive.google.com/file/d/0B6PqYeJYVpAiS2p1T19CWmtjcU1vSW96ZnA2TmxTSGRsa013/view?usp=sharing

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